For Tesla, everything is riding on the Model 3. The Palo Alto electric car company was due to deliver its newest vehicle to its first 30 customers Friday night (details at www.sfchronicle.com), but the coming weeks will be far more crucial. Its $35,000 starting price — half of Tesla’s previous models — and 215-mile range could add hundreds of thousands of customers, but the whole thing could backfire if the carmaker doesn’t meet its aggressive production schedule, or if the cars have quality problems. Limits on the $7,500 U.S. tax credit for electric cars could also hurt demand. Once an automaker sells 200,000 electric cars in the U.S., the credit phases out, so not everyone who buys a Model 3 will be eligible.

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45 percent

That’s how much shares of Redfin rose Friday on its first day as a publicly traded company. The Seattle real estate firm priced its initial public offering at $15 — $1 above the maximum price listed when it filed plans to go public in June. It closed Friday at $21.70.

Don’t squeeze me in

A federal appeals court on Friday ordered aviation regulators to consider setting minimum standards for how tightly passengers can be packed in. The court found in favor of FlyersRights, a nonprofit, which argued that steadily shrinking legroom and seat size created a safety hazard, and the Federal Aviation Administration should impose new restrictions.